​​​​Dr Dave 1Dr. David Thompson, DVM

Dr.  Dave has spent his life in a Veterinary Clinic.  He grew up going on calls with his Dad in Warrenton, MO.  After attending the University of Missouri College of Veterinary Medicine he practiced south of Kansas City for a few years.  In 2010, he made the move to South Dakota and​ resides south of Mitchell with his wife Shirley, children Connor, Max, Maggie, Charlie and various farm animals.  





​​​​Dr. Jason Dr. Jason Heezen, DVM

Growing up in Plankinton and the son of a Veterinarian, Dr. Jason was born with a passion for animals and veterinary science.  In his 20 plus years of practice he has treated animals in the Mitchell, Plankinton and Sioux Falls areas.  Dr. Jason and his wife Angie have three grown children, Cody, Emma and Noah.  He enjoys home improvement, flying airplanes, traveling and working on vintage cars.  Also former owner of Safe Haven Animal Clinic, Dr. Jason Heezen decided it was time for semi-retirement.  Dr. Jason will be providing services here at Creekside on Tuesdays and Wednesdays.  The addition of Dr. Jason allows us to continue our mission of being Compassionate Stewards of Animal Health.  We are excited to have him, his experience and expertise as part of our team!   



Office Manager

Amanda crAmanda Graves

Amanda joined our team as the Office Manager in February of 2018.  Before joining our team, she worked at Muth Electric, Inc. as a recruiter for over 10 years.  Amanda grew up on a ranch just outside of Chamberlain and was involved in rodeo and 4-H.  She enjoys the outdoors, loves to camp, travel and spend as much time as possible creating memories with family and friends.  She is the mother of 2 beautiful children, Matteah and Madden, has 2 dogs and is married to Brian Graves.  She and Brian are part owners of Granite Springs Lodge in Alexandria, SD.  If you haven't met Amanda on the sidelines while cheering Matteah and Madden on at softball, gymnastics, baseball or soccer games, please stop by Creekside Veterinary Clinic and say Hi!



Certified Veterinary Technicians

Rachel crRachael Nichols - Med Team Lead

All my life, I have had a passion for animals. Growing up in Canistota, SD, I participated in 4-H showing horses and owned a Shetland Sheepdog named Cody. I graduated from Globe University in September of 2013 with a degree in Veterinary Technology. In the time since graduation, I have become certified and registered in my field. I currently live in the Mitchell area with my two kids and a enagerie of pets.   






450 CarolynCarolyn Whiting

Carolyn grew up in Canistota, SD. Her family always had small animals growing up. She currently lives in Mitchell with her husband, stepson and 2 dogs. She loves spending time with family and friends. In her spare time she enjoys watching and playing sports.






450 SarahSarah Magnuson

​Sarah was born and raised in Mitchell, where she currently resides. She has identical twin boys named Tristin and Taylor.  Sarah loves all animals, her boys love all animals as well and are so excited to meet any new animal. 






Grace Phinney 2018 cr1Grace Phinney

Grace grew up on an acreage northeast of Mitchell and has been surrounded by animals all her life.  She graduated from Mitchell High School in 2019 and currently attends South Dakota State University, majoring in Animal Science - Pre-Veterinary Medicine with plans to attend veterinary school in the future.  She joined our team in 2016 as a cleaner, then a lodging assistant, and now she helps out as a veterinary assistant.  In her free time, Grace enjoys spending time with her family, painting, and anything DIY! 





Samara crSamara Huber

Samara moved to South Dakota from North Dakota in 2020.  Sam attended the vet tech programs at NDSU for 3 years and Ridgewater for 2 years and has worked at Hawk Creek Animal Shelter.  Sam likes crafting, hunting and spending time with family.  She has 2 cats named Nova and Meeko along with her dog named Sadie.  Sam married Matt Huber in 2020 and lives just outside of Mitchell.  She enjoys helping our small animal patients and families to achieve a long, happy and healthy life. 





Lauren cr

Lauren Larson

Lauren grew up in Mitchell, SD.  She has loved animals ever since she was little and has always had a passion for veterinary medicine.  She graduated Mitchell High School in 2017, and then attended SDSU for Animal Science/Pre-Veterinary Medicine.  Lauren recently graduated SDSU in December 2020 and will be attending further veterinary schooling in the future.  Lauren joined our team in the fall of 2016 as an intern and has worked as a veterinary technician assistant since fall of 2017 and also in our lodging facilities.  In her free time, Lauren enjoys reading, watching documentaries, and spending time with her family.




Kennel Manager 

450 SierraSierra Kiehn 

Sierra grew up in Chamberlain, SD where she spent a lot of her time on her family farm working cattle and farming. In 2015, Sierra moved to Mitchell to attend Mitchell Technical Institute for Agriculture Production and graduated in 2017. While in school, Sierra became an intern here at Creekside and discovered her passion for working with dogs. Although Sierra had never owned a dog of her own before, we quickly noticed her natural care for animals. She now has several four legged children, a cat named "Benny" and a canine boxer named "Willy".  Sierra also enjoys outdoor activities such as being at the river, working with animals, playing softball and do-it-yourself projects.   



Kennel/Lodging Assistants       

MelodyMelody Crain

Melody grew up in DeSmet and participated in 4-H Rodeo, Horse Shows and Dog Classes.  She also played volleyball throughout high school.  Melody's biggest passion growing up was working with animals of all kinds.  She graduated in 2020 and moved to Mitchell shortly after.  She now resides in Mitchell with her three-legged German Shepard Chief.






Char Sonne 150Char Sonne - Front Office Lead

Char is from a large family and grew up in Rock Valley, Iowa.  She met her husband Greg there and together they made the decision to move north of Mount Vernon to farm with his family.  She enjoys helping on the farm, working cattle, and doing yard work.  She has 3 children and 7 grandchildren who light up her life.  Other hobbies include scrapbooking, quilting and her flower gardens.  you can meet Char at the front desk or when you call to set up your appointment.   





Vanessa 2Vanessa Lachnit

Vanessa was born and raised in Mitchell where she currently resides.  Growing up she has always had a passion and love towards all animals.  She currently has two guinea pigs named Hazel and Peanut and two dogs named Snoop and Tiny.  In her spare time, she enjoys bowling and playing softball in the summer.  You can meet Vanessa at the front desk or when you call to set up your appointment. 





Jess Van Otterloo cr

Jess Van Otterloo

Jess is from LeMars, Iowa and recently made the move near Fulton, SD to live with her boyfriend, Tristan.  She has two dogs named Stormy and Fletcher, and one cat named Dory.  Outside of work she loves helping out on the farm and enjoys trying out new recipes! 





 Pet Stylists

450 MelissaMelissa Pommer - Pet Stylist Lead

Melissa's very first grooming was her family's long haired cat, Fluffy, when she was 15 years old.  She hand scissored Fluffy in short increments over the course of 2 days.  Little did she know, that interest would end up being a wonderful career choice!  Melissa grew up in Mitchell, and currently lives near Alexandria with her husband, John.  They have 4 children, a dog, many cats, horses and cattle.  Pet styling has been her life for 26 years, with a renewed passion for making pets look and feel their best since joining the team here at Creekside Veterinary Clinic. 




Chasity cr

Chasity Weeks

Chasity has been working with pets professionally since 2012.  She has held multiple positions at the Sioux Falls Area Humane Society.  She also has experience in assisting at a boarding facility and volunteered numerous hours at several local animal rescues.  Chasity began her pet styling career at Petco in Sioux Falls in October of 2017.  Chasity received her pet stylist certification through Petco where she learned the leading standards of pet styling safety.  Her main priority is the safety and well-being of your pets during their entire styling process.  When Chasity isn't grooming or volunteering, she is spending her time with her husband, 2 dogs and 2 cats.  Chasity is very excited to join the Creekside team to provide quality pet styling services.  Call Creekside Vet to set up your pet's spa day with Chasity!

Our Contact Information

  • Creekside Veterinary Clinic
  • 1111 West Spruce Street
  • Mitchell, SD 57301
  • Phone:  605-990-3388
  • Fax: 605-990-3389

Our Office Hours

  • Monday:  8:00 am - 6:00 pm
  • Tuesday:  8:00 am - 6:00 pm
  • Wednesday 8:00 am - 6:00 pm
  • Thursday 8:00 am - 6:00 pm
  • Friday 8:00 am - 6:00 pm
  • Saturday Closed
  • 24/7 Emergency Service 

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